1353223446361 has 2 divisors, whose sum is σ = 1353223446362. Its totient is φ = 1353223446360.

The previous prime is 1353223446313. The next prime is 1353223446503. The reversal of 1353223446361 is 1636443223531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1091533905225 + 261689541136 = 1044765^2 + 511556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353223446361 is a prime.

It is a super-2 number, since 2×1353223446361² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1353223446061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676611723180 + 676611723181.

It is an arithmetic number, because the mean of its divisors is an integer number (676611723181).

Almost surely, 2^{1353223446361} is an apocalyptic number.

It is an amenable number.

1353223446361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353223446361 is an equidigital number, since it uses as much as digits as its factorization.

1353223446361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 43.

Adding to 1353223446361 its reverse (1636443223531), we get a palindrome (2989666669892).

The spelling of 1353223446361 in words is "one trillion, three hundred fifty-three billion, two hundred twenty-three million, four hundred forty-six thousand, three hundred sixty-one".